add types_or

pre_commit/clientlib.py

@@ -61,6 +61,7 @@ MANIFEST_HOOK_DICT = cfgv.Map(
     cfgv.Optional('files', check_string_regex, ''),
     cfgv.Optional('exclude', check_string_regex, '^$'),
     cfgv.Optional('types', cfgv.check_array(check_type_tag), ['file']),
+    cfgv.Optional('types_or', cfgv.check_array(check_type_tag), ['file']),
     cfgv.Optional('exclude_types', cfgv.check_array(check_type_tag), []),
 
     cfgv.Optional(

pre_commit/commands/run.py

@@ -83,20 +83,28 @@ class Classifier:
             self,
             names: Sequence[str],
             types: Collection[str],
+            types_or: Collection[str],
             exclude_types: Collection[str],
     ) -> List[str]:
-        types, exclude_types = frozenset(types), frozenset(exclude_types)
+        types = frozenset(types)
+        types_or = frozenset(types_or)
+        exclude_types = frozenset(exclude_types)
         ret = []
         for filename in names:
             tags = self._types_for_file(filename)
-            if tags >= types and not tags & exclude_types:
+            if tags >= types and tags & types_or and not tags & exclude_types:
                 ret.append(filename)
         return ret
 
     def filenames_for_hook(self, hook: Hook) -> Tuple[str, ...]:
         names = self.filenames
         names = filter_by_include_exclude(names, hook.files, hook.exclude)
-        names = self.by_types(names, hook.types, hook.exclude_types)
+        names = self.by_types(
+            names,
+            hook.types,
+            hook.types_or,
+            hook.exclude_types,
+        )
         return tuple(names)
 
     @classmethod

pre_commit/hook.py

@@ -22,6 +22,7 @@ class Hook(NamedTuple):
     files: str
     exclude: str
     types: Sequence[str]
+    types_or: Sequence[str]
     exclude_types: Sequence[str]
     additional_dependencies: Sequence[str]
     args: Sequence[str]

pre_commit/meta_hooks/check_useless_excludes.py

@@ -47,8 +47,10 @@ def check_useless_excludes(config_file: str) -> int:
             # the defaults applied during runtime
             hook = apply_defaults(hook, MANIFEST_HOOK_DICT)
             names = classifier.filenames
-            types, exclude_types = hook['types'], hook['exclude_types']
-            names = classifier.by_types(names, types, exclude_types)
+            types = hook['types']
+            types_or = hook['types_or']
+            exclude_types = hook['exclude_types']
+            names = classifier.by_types(names, types, types_or, exclude_types)
             include, exclude = hook['files'], hook['exclude']
             if not exclude_matches_any(names, include, exclude):
                 print(